.bookshelfContainer {
  width: 100%;
  height: 100%;
  /* background: #fde3a7; */
  background: #fff;
}

.list-inline {
  display: grid;
  grid-template-columns: repeat(auto-fill, 150px);
  grid-column-gap: 30px;
  justify-content:center;
}

.addNewBook {
  cursor: pointer;
  display: inline-block;
  text-align: center;
  width: 150px;
  height: 220px;
  position: relative;
  /* background: white; */
  background: #fde3a7;
  z-index: 1;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1), 0 9px 20px 0 rgba(0, 0, 0, 0.25);
  overflow: hidden;
  opacity: 20%;
  -webkit-transition: box-shadow 0.3s linear;
  transition: box-shadow 0.3s linear;
  margin: 10px;
  margin-right: auto;
}
.addNewBook p,
.addNewBook img {
  opacity: 0%;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}

.addNewBook:hover {
  transition: all 0.5s;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.25), 0 9px 20px 0 rgba(0, 0, 0, 0.45);
  opacity: 90%;
}

.addNewBook:hover > p,
.addNewBook:hover > img {
  transition: all 0.5s;
  opacity: 100%;
}
